A: Officially no. However, with the advanced fixes described (compatibility mode, registry tweaks), many users report success on Windows 11 Pro (build 22000–22621). Do not use on Windows 11 Home.
Under the Access Point of the Application, select . Choose your active network interface card from the list:
Windows 7 (64-bit/32-bit) Professional, Enterprise, or Ultimate with SP1. Alternative OS: Windows Server 2008 R2 SP1 Standard. The Virtual Machine Solution
SP1 (Version 12.0.1.0) was designed to fix several "Day 1" bugs found in the original V12 release and introduced the following enhancements: Tia Portal V12 Sp1 Download Fixed
Service Pack 1 for SIMATIC STEP 7 V12 (TIA Portal) incl. PLCSIM - ID
Some older screens and drives require V12 SP1 to communicate. How to Get the Fixed Download Safely
Are you getting any specific during setup or compilation? A: Officially no
If your installation "freezes" (a common issue with older TIA versions on modern OS), users have found success with these steps:
For programming S7-1200, S7-1500, S7-300, S7-400, and WinAC.
Integration of for commissioning drives directly within the portal. Support for PROFIsafe safety-related communication. Under the Access Point of the Application, select
Siemens Totally Integrated Automation (TIA) Portal V12 is a foundational engineering framework for industrial automation. While newer versions exist, TIA Portal V12 Service Pack 1 (SP1) remains critical for maintaining legacy automation systems, programming S7-1200 (firmware V3.0 and below), S7-300, S7-400, and basic HMI panels.
TIA Portal V12 Service Pack 1 (SP1) was a critical update released in 2013 to address performance issues and expand hardware support for Siemens' integrated engineering framework. While it significantly improved stability, it is currently a that is no longer available for direct trial download on the official Siemens site . Key Improvements and Fixed Issues
Siemens provides legacy software access via:
Better integration of third-party devices. Conclusion